package main

import (
	"fmt"
	"time"
)

func letterCombinations(digits string) []string {
	lengths := len(digits)
	result := []string{""}

	c := 97
	fmt.Println(string(c))

	if lengths == 0 {
		return result
	}

	return result

}

func main() {
	start := time.Now()
	s := "23"
	dec := letterCombinations(s)
	cost := time.Since(start)
	fmt.Println(dec)
	fmt.Println(cost)
}
